(19)
(11) EP 2 097 181 A2

(12)

(88) Date of publication A3:
30.10.2008

(43) Date of publication:
09.09.2009 Bulletin 2009/37

(21) Application number: 07867808.3

(22) Date of filing: 18.12.2007
(51) International Patent Classification (IPC): 
B06B 1/18(2006.01)
F28G 7/00(2006.01)
(86) International application number:
PCT/US2007/025822
(87) International publication number:
WO 2008/082513 (10.07.2008 Gazette 2008/28)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 20.12.2006 US 641752

(71) Applicant: ExxonMobil Research and Engineering Company
Annandale NJ 08801-0900 (US)

(72) Inventors:
  • SONG, Limin
    West Windsor, NJ 08550 (US)
  • CLAVENNA, Leroy
    Baton Rouge, LA 70810 (US)
  • CODY, Ian, A.
    Annandale, NJ 08801 (US)
  • YEGANEH, Mohsen, S.
    Hillsborough, NJ 08844 (US)
  • WOLF, H., Alan
    Morristown, NJ 07960 (US)
  • BRONS, Glen, B.
    Phillpsburgh, NJ 08865 (US)
  • YORK, Wayne, J.
    Baton Rouge, LA 70810 (US)

(74) Representative: Pols, Ronald Maarten 
ExxonMobil Chemical Europe Inc. IP Law Shared Services P.O. Box 105 Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) VIBRATION ACTUATION SYSTEM WITH INDEPENDENT CONTROL OF FREQUENCY AND AMPLITUDE